Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               [Phylum Cyanobacteria Garcia-Pichel et al. (2020)] see Phylum Cyanobacteriota Oren et al. 2022
                 [Class Cyanophyceae Hauck (1885)] see Class Chroococcophyceae Hollerbach et al. 1953
                   [Order Nostocales Borzì (1914)] see Order Nostocales corrig. Borzì 1914
                     [Family "Fortieaceae" Komárek, Kaštovský, Mareš & Johansen (2014), nom. nud.] see Family Leptobasaceae Elenkin (1917), nom. illeg.
                       5.0 [Genus "Roholtiella" Bohunická et al. (2014), nom. ined.] see Genus Roholtiella Bohunická, Pietrasiak & J.R.Johans. (2015)